This pair of 100% Officially Licensed Pink Floyd crew socks are perfect for any fan! The Dark Side of the Moon is the eighth album by English rock band, released on 1 March 1973 by Harvest Records. This album is looked at by many as hands down one of the best, if not the best album they have put out. With the triangle prism and light beam turn into rainbow, it is a very recognizable pattern. These socks are made of a super soft and stretchy 82% polyester, 16% cotton, 2% spandex tri-blend fabric with reinforced toe caps.